Pith Number

pith:TFFNWMQ7

pith:2018:TFFNWMQ7WF7UXCQMNXZV2G77NR

not attested not anchored not stored refs pending

Provably Positive Discontinuous Galerkin Methods for Multidimensional Ideal Magnetohydrodynamics

Chi-Wang Shu, Kailiang Wu

arxiv:1807.00246 v1 · 2018-07-01 · math.NA · astro-ph.IM · physics.comp-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TFFNWMQ7WF7UXCQMNXZV2G77NR}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:02:09.608065Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

994adb321fb17f4b8a0c6df35d1bff6c47e6fd1deb265a835cfcd3960203fd3a

Aliases

arxiv: 1807.00246 · arxiv_version: 1807.00246v1 · doi: 10.48550/arxiv.1807.00246 · pith_short_12: TFFNWMQ7WF7U · pith_short_16: TFFNWMQ7WF7UXCQM · pith_short_8: TFFNWMQ7

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/TFFNWMQ7WF7UXCQMNXZV2G77NR \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 994adb321fb17f4b8a0c6df35d1bff6c47e6fd1deb265a835cfcd3960203fd3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c0ae647581f3b247a7a09837173c9891cae22d030b11431d25011fddcc2f95a",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-07-01T00:22:57Z",
    "title_canon_sha256": "087a10ba0c47de48d28cf0d5f2374d91ec9510aa589b0cd212f51acc5b3c5ffe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.00246",
    "kind": "arxiv",
    "version": 1
  }
}